181491520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{81023}}^1$

素因数の和:81047

約数の個数: 56

約数和(自身を含む): 493922304

約数和(自身を除く): 312430784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 81023, 162046, 324092, 405115, 567161, 648184, 810230, 1134322, 1296368, 1620460, 2268644, 2592736, 2835805, 3240920, 4537288, 5185472, 5671610, 6481840, 9074576, 11343220, 12963680, 18149152, 22686440, 25927360, 36298304, 45372880, 90745760, 181491520]

約数ペア:

[(1, 181491520), (2, 90745760), (4, 45372880), (5, 36298304), (7, 25927360), (8, 22686440), (10, 18149152), (14, 12963680), (16, 11343220), (20, 9074576), (28, 6481840), (32, 5671610), (35, 5185472), (40, 4537288), (56, 3240920), (64, 2835805), (70, 2592736), (80, 2268644), (112, 1620460), (140, 1296368), (160, 1134322), (224, 810230), (280, 648184), (320, 567161), (448, 405115), (560, 324092), (1120, 162046), (2240, 81023)]